From: Segher Boessenkool <segher@kernel.crashing.org>
To: "Kewen.Lin" <linkw@linux.ibm.com>
Cc: Michael Meissner <meissner@linux.ibm.com>,
gcc-patches@gcc.gnu.org, Peter Bergner <bergner@linux.ibm.com>,
David Edelsohn <dje.gcc@gmail.com>
Subject: Re: Repost [PATCH 1/6] Add -mcpu=future
Date: Fri, 23 Feb 2024 11:57:02 -0600 [thread overview]
Message-ID: <20240223175702.GM19790@gate.crashing.org> (raw)
In-Reply-To: <b8a66376-9b1a-0731-1f3a-b319acf1d2c3@linux.ibm.com>
On Tue, Feb 20, 2024 at 06:35:34PM +0800, Kewen.Lin wrote:
> on 2024/2/8 03:58, Michael Meissner wrote:
> $ grep -r "define PROCESSOR_DEFAULT" gcc/config/rs6000/
> gcc/config/rs6000/aix71.h:#define PROCESSOR_DEFAULT PROCESSOR_POWER7
> gcc/config/rs6000/aix71.h:#define PROCESSOR_DEFAULT64 PROCESSOR_POWER7
> gcc/config/rs6000/aix72.h:#define PROCESSOR_DEFAULT PROCESSOR_POWER7
> gcc/config/rs6000/aix72.h:#define PROCESSOR_DEFAULT64 PROCESSOR_POWER7
> gcc/config/rs6000/aix73.h:#define PROCESSOR_DEFAULT PROCESSOR_POWER8
> gcc/config/rs6000/aix73.h:#define PROCESSOR_DEFAULT64 PROCESSOR_POWER8
> gcc/config/rs6000/darwin.h:#define PROCESSOR_DEFAULT PROCESSOR_PPC7400
> gcc/config/rs6000/darwin.h:#define PROCESSOR_DEFAULT64 PROCESSOR_POWER4
> gcc/config/rs6000/freebsd64.h:#define PROCESSOR_DEFAULT PROCESSOR_PPC7450
> gcc/config/rs6000/freebsd64.h:#define PROCESSOR_DEFAULT64 PROCESSOR_POWER8
> gcc/config/rs6000/linux64.h:#define PROCESSOR_DEFAULT PROCESSOR_POWER7
> gcc/config/rs6000/linux64.h:#define PROCESSOR_DEFAULT64 PROCESSOR_POWER8
> gcc/config/rs6000/rs6000.h:#define PROCESSOR_DEFAULT PROCESSOR_PPC603
> gcc/config/rs6000/rs6000.h:#define PROCESSOR_DEFAULT64 PROCESSOR_RS64A
> gcc/config/rs6000/vxworks.h:#define PROCESSOR_DEFAULT PROCESSOR_PPC604
>
> , and they are unlikely to be updated later, no?
In most cases did would be an ABI change. Almost never an acceptable
thing to do.
Segher
next prev parent reply other threads:[~2024-02-23 17:58 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-05 23:27 Repost [PATCH 0/6] PowerPC Future patches Michael Meissner
2024-01-05 23:35 ` Repost [PATCH 1/6] Add -mcpu=future Michael Meissner
2024-01-19 18:43 ` Ping " Michael Meissner
2024-01-23 8:44 ` Repost " Kewen.Lin
2024-02-06 6:01 ` Michael Meissner
2024-02-07 9:21 ` Kewen.Lin
2024-02-07 19:58 ` Michael Meissner
2024-02-20 10:35 ` Kewen.Lin
2024-02-21 7:19 ` Michael Meissner
2024-02-26 10:46 ` Kewen.Lin
2024-02-23 17:57 ` Segher Boessenkool [this message]
2024-02-08 18:42 ` Segher Boessenkool
2024-02-08 18:35 ` Segher Boessenkool
2024-02-08 20:10 ` Segher Boessenkool
2024-01-05 23:37 ` Repost [PATCH 2/6] PowerPC: Make -mcpu=future enable -mblock-ops-vector-pair Michael Meissner
2024-01-19 18:44 ` Ping " Michael Meissner
2024-01-23 8:54 ` Repost " Kewen.Lin
2024-01-05 23:38 ` Repost [PATCH 3/6] PowerPC: Add support for accumulators in DMR registers Michael Meissner
2024-01-19 18:46 ` Ping " Michael Meissner
2024-01-25 9:28 ` Repost " Kewen.Lin
2024-02-07 0:06 ` Michael Meissner
2024-02-07 9:38 ` Kewen.Lin
2024-02-08 0:26 ` Michael Meissner
2024-01-05 23:39 ` Repost [PATCH 4/6] PowerPC: Make MMA insns support " Michael Meissner
2024-01-19 18:47 ` Ping " Michael Meissner
2024-02-04 3:21 ` Repost " Kewen.Lin
2024-02-07 3:31 ` Michael Meissner
2024-01-05 23:40 ` Repost [PATCH 5/6] PowerPC: Switch to dense math names for all MMA operations Michael Meissner
2024-01-19 18:48 ` Ping " Michael Meissner
2024-02-04 5:47 ` Repost " Kewen.Lin
2024-02-07 20:01 ` Michael Meissner
2024-01-05 23:42 ` Repost [PATCH 6/6] PowerPC: Add support for 1,024 bit DMR registers Michael Meissner
2024-01-19 18:49 ` Ping " Michael Meissner
2024-02-05 3:58 ` Repost " Kewen.Lin
2024-02-08 0:35 ` Michael Meissner
2024-02-08 18:22 ` Repost [PATCH 0/6] PowerPC Future patches Segher Boessenkool
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